FIG. 1 is a perspective view of the cap of our new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a front elevational view thereof; the rear elevation being a mirror image.

The bottom and interior of the closure form no part of the claimed design.